Contents
1 Introduction
2 Signal Basics
3 Subsurface Properties and Propagation
3.1 Stones in the Pathway
3.1.1 Permittivity
3.1.2 Conductance
3.1.3 Propagation in Lossy Material
3.2 Reflection Coefficient
3.2.1 Reflection at a planar interface
3.2.2 Reflection from a slab
3.3 Illustrating the Point
3.4 Free Modes of Decay
3.4.1 Free Mode Eigenfrequencies by Newton Root Search
3.4.2 Free Mode Eigenfrequencies by Contour Integration
3.4.3 Summary
4 Conclusion
A Appendix: Maxwell’s Equations
2 Signal Basics
3 Subsurface Properties and Propagation
3.1 Stones in the Pathway
3.1.1 Permittivity
3.1.2 Conductance
3.1.3 Propagation in Lossy Material
3.2 Reflection Coefficient
3.2.1 Reflection at a planar interface
3.2.2 Reflection from a slab
3.3 Illustrating the Point
3.4 Free Modes of Decay
3.4.1 Free Mode Eigenfrequencies by Newton Root Search
3.4.2 Free Mode Eigenfrequencies by Contour Integration
3.4.3 Summary
4 Conclusion
A Appendix: Maxwell’s Equations